PdfRpt.Core.Helper.StreamHelper.ReopenForWriting C# (CSharp) Method

        public static Stream ReopenForWriting(this Stream stream)
        {
            if (stream.CanRead && stream.CanSeek && stream.CanWrite)
            {
                stream.Position = 0;
                stream.SetLength(0);
                return stream;
            }

            var fileStream = stream as FileStream;
            if (fileStream != null)
            {
                return new FileStream(fileStream.Name, FileMode.Create, FileAccess.Write);
            }
            return new MemoryStream();
        }